1960490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4001}}^1$

素因数の和:4022

約数の個数: 24

約数和(自身を含む): 4106052

約数和(自身を除く): 2145562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4001, 8002, 20005, 28007, 40010, 56014, 140035, 196049, 280070, 392098, 980245, 1960490]

約数ペア:

[(1, 1960490), (2, 980245), (5, 392098), (7, 280070), (10, 196049), (14, 140035), (35, 56014), (49, 40010), (70, 28007), (98, 20005), (245, 8002), (490, 4001)]